Not only for disruptive technologies. Or even "new" things, but the main product. I've seen far too many companies which produce something and then you look at

Not only for disruptive technologies. Or even "new" things, but the main product. I've seen far too many companies which produce something and then you look at their own processes and not only do they not use it, whatever they use is clearly inferior, but .. it's just there. And no one will pull the switch and say "okay, that's it. We now use our own things. End of story."